State your observations on each of the following reactions.
When dilute Hydrochloric acid (HCl) is added to Sodium carbonate crystals (Na2CO3).
(a) What happens when dilute hydrochloric acid is added to sodium carbonate ? Write a balanced chemical equation of the reaction involved.
(b) Which gas is liberated when dilute hydrochloric acid reacts with sodium carbonate ? How will you test for the presence of this gas ?
State your observation, when diluted hydrochloric acid is added to sodium carbonate crystals.
State your observations when Dilute hydrochloric acid is added to sodium thiosulphate